<template>
  <view>
    <view class="cart-page" v-if="cart.length !== 0">
      <!-- 收货地址组件 -->
      <my-address></my-address >
      <!-- 购物车商品列表的标题区域 -->
      <view class="cart-title">
        <!-- 左侧图标 -->
        <uni-icons type="shop" size="18"></uni-icons>
        <!-- 描述文字 -->
        <text class="des"></text>购物车
      </view>
      
      <!-- 购物车商品列表 -->
      <!-- <block v-for="(goods, i) in cart" :key="i">
        <!-- 商品组件 -->
       <!-- <my-goods @num-change="changeTotal" :showNum="true" :showRadio="true" :goods="goods" @radio-change="updateSelected"></my-goods>
      </block> -->
      <uni-swipe-action>
        <block v-for="(goods, i) in cart" :key="i">
          <uni-swipe-action-item :right-options="options"  @click="delGoods(goods)">
            <my-goods @num-change="changeTotal" :showNum="true" :showRadio="true" :goods="goods" @radio-change="updateSelected"></my-goods>
          </uni-swipe-action-item>
        </block>
      </uni-swipe-action>
      
      <!-- 使用结算组件 -->
      <my-settle></my-settle>
    </view>
    <!-- 空白购物车区域 -->
    <view class="empty-cart" v-else>
      <image src="/static/cart_empty@2x.png" mode="" class="empty-img"></image>
      <text class="tip-text">空空如也~</text>
    </view>
  </view>
  
  
</template>

<script>
  import badgeMix from '@/mixins/tabbar-badge.js'
  import {mapState, mapMutations} from 'vuex'
  export default {
    //徽标
    mixins:[badgeMix],
    //获取购物车模块中数据
    computed: {
      ...mapState('cart', ['cart']),
    },
    
    data() {
      return {
        options: [
          {
            text: '删除',
            style: {
              backgroundColor: '#C00000'
            }
          }
        ]
      }
    },
    methods: {
      ...mapMutations('cart', ['updateGoodsState', 'updateGoodsCount', 'removeGoods']),
      updateSelected (e) {
        this.updateGoodsState(e)
      },
      //更新购物车商品数量
      changeTotal(e) {
        // console.log(e);
        this.updateGoodsCount(e)
        // total(e)
      },
      //删除购物车商品
      delGoods (goods) { 
        console.log(goods);
        this.removeGoods(goods.goods_id)
      }
    }
  }
</script>

<style lang="scss">
  .cart-page {
    padding-bottom: 50px;
    .cart-title {
      height: 40px;
      display: flex;
      align-items: center;
      padding-left: 5px;
      border-bottom: 1px solid #efefef;
      .des {
        margin-left: 10px;
        font-size: 14px;
      }
    }
  }
  .empty-cart {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 150px;
  
    .empty-img {
      width: 90px;
      height: 90px;
    }
  
    .tip-text {
      font-size: 12px;
      color: gray;
      margin-top: 15px;
    }
  }

</style>
